First rectified the date of the photo, in fact is October 1965. An Italian named Vincenzo Angelino founded in the late '50s, in Zaragoza (Spain) a factory of trucks and buses with the brand NAZAR after manufacturing several hundreds of vehicles were absorbed by Barreiros. Then Vincenzo Angelino founded another company called ZANE dedicated to rebodier old buses that was actually his specialty, As part of the same group in 1964 created the company S.E.D.A.N. (Sociedad Española de Automóviles Nacionales) with the intention of manufacturing vehicles in competition with the Seat 1400 but with Perkins Diesel engine using MUSTANG as model name, that had been registered by a partner of him before that Ford model appeared.
In summary: The brand, model and coachbuilder is: Brand: S.E.D.A.N. Model MUSTANG Cupé, body built in the ZANE factory, SEDAN shared the facilities of ZANE in its short existence.